Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man13) Service Manual ▷ View online
MX-4101N ADJUSTMENTS 5 – 45
* Item A, B: When the adjustment value is increased, the scan
timing is delayed.
* Item C - H: When the adjustment value is increased, the
image loss is increased.
* Item A - H: 1 step = 0.1mm change
* The SPF rear edge image loss is provided for countermea-
* The SPF rear edge image loss is provided for countermea-
sures against shades.
5)
Select an adjustment mode with the scroll key.
(SIM50-12)
(SIM50-6)
6)
Enter an adjustment value with 10-key, and press [OK] key.
(Change for change in the adjustment value: 0.1mm/step)
(When the adjustment value is increased, the print image is
shifted to the rear.)
Repeat the procedures of 2) - 6) until a satisfactory result is
obtained.
(Change for change in the adjustment value: 0.1mm/step)
(When the adjustment value is increased, the print image is
shifted to the rear.)
Repeat the procedures of 2) - 6) until a satisfactory result is
obtained.
NOTE: When [CLOSE] key is pressed in this simulation mode, the
machine goes into the normal operation mode. Under this
state, copy check can be normally performed. When the
system key is pressed, the machine returns to the simula-
tion mode.
state, copy check can be normally performed. When the
system key is pressed, the machine returns to the simula-
tion mode.
ADJ 17
Print area (Void area)
adjustment (Print engine
section)
adjustment (Print engine
section)
This adjustment is needed in the following situations:
* When the LSU is replaced or removed.
* When a paper tray is replaced.
* When the paper tray section is disassembled.
* When the manual feed tray is replaced.
* When the manual feed tray is disassembled.
* When the duplex section is disassembled.
* When the duplex section is installed or replaced.
* When the large capacity paper feed tray is installed or replaced.
* When the large capacity paper feed tray section is disassembled.
* When the regist roller section is disassembled.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
* When the LSU is replaced or removed.
* When a paper tray is replaced.
* When the paper tray section is disassembled.
* When the manual feed tray is replaced.
* When the manual feed tray is disassembled.
* When the duplex section is disassembled.
* When the duplex section is installed or replaced.
* When the large capacity paper feed tray is installed or replaced.
* When the large capacity paper feed tray section is disassembled.
* When the regist roller section is disassembled.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
NOTE: Before executing this adjustment, be sure to execute ADJ 8
Print image magnification ratio adjustment (BK) (Main
scanning direction) (Print engine section) in advance.
scanning direction) (Print engine section) in advance.
1)
Enter SIM50-10 mode.
2)
Set A4 (11" x 8.5") paper to all the trays, and select the set
item J with the scroll key. Enter the value corresponding to the
adjustment target paper feed tray.
item J with the scroll key. Enter the value corresponding to the
adjustment target paper feed tray.
3)
Press [EXECUTE] key.
The adjustment pattern is printed.
The adjustment pattern is printed.
F
Image
loss
amount
setting
SIDE2
loss
amount
setting
SIDE2
LEAD_EDGE
(SIDE2)
(SIDE2)
Back surface
lead edge image
loss amount
setting
lead edge image
loss amount
setting
0 - 99
20
G
FRONT_REAR
(SIDE2)
(SIDE2)
Back surface
side image loss
amount setting
side image loss
amount setting
0 - 99
20
H
TRAIL_EDGE
(SIDE2)
(SIDE2)
Back surface
rear edge image
loss amount
setting
rear edge image
loss amount
setting
0 - 99
30
I
OFSET_SPF1
RSPF front
surface
document off-
center
adjustment
surface
document off-
center
adjustment
1 - 99
50
J
OFSET_SPF2
RSPF back
surface
document off-
center
adjustment
surface
document off-
center
adjustment
1 - 99
50
K
SCAN_SPEED_SPF1
RSPF document
front surface
magnification
ratio adjustment
(Sub scan)
front surface
magnification
ratio adjustment
(Sub scan)
1 - 99
50
L SCAN_SPEED_SPF2
RSPF
document
back surface
magnification
ratio adjustment
(Sub scan)
magnification
ratio adjustment
(Sub scan)
1 - 99
50
SPF(SIDE1)
Front surface mode
SPF(SIDE2)
Back surface mode
OFSET SPF1 Front surface mode
OFSET SPF2 Back surface mode
OFSET SPF2 Back surface mode
Item
Display
Content
Setting
range
Default
value
EXECUTE
EXECUTE
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MX-4101N ADJUSTMENTS 5 – 46
4)
Check the adjustment pattern to confirm that the items below
are in the range of the standard values.
are in the range of the standard values.
If the above condition is not satisfied, or if it is set to a desired
condition, execute the simulation 50-1.
(Note) Feed paper from all the paper feed trays to confirm.
condition, execute the simulation 50-1.
(Note) Feed paper from all the paper feed trays to confirm.
5)
Go through the modes specified in Simulation 50-1.
6)
Select the adjustment item I, J, K with the scroll key, and enter
the adjustment value and press [OK] key.
the adjustment value and press [OK] key.
When the adjustment value is increased, the void area is
increased. When the adjustment value is decreased, the void
area is decreased.
When the adjustment value is changed by 1, the void area is
changed by 0.1mm.
increased. When the adjustment value is decreased, the void
area is decreased.
When the adjustment value is changed by 1, the void area is
changed by 0.1mm.
NOTE: The adjustment value and the actual void area are related
as follows:
Adjustment value/10 = Actual void area
Adjustment value/10 = Actual void area
NOTE: When the amount of the rear edge void is different between
each paper feed tray, change the adjustment value of item
N, O, P, Q, R, S, T (DENB-XXX) in SIM50-1 and adjust.
The adjustment item J (DENB) have a effect on the paper
of all paper feed tray.
That is, adjustment value of item N, O, P, Q, R, S, T
(DENB-XXX) fine adjusts to adjustment item J (DENB) for
each paper tray.
N, O, P, Q, R, S, T (DENB-XXX) in SIM50-1 and adjust.
The adjustment item J (DENB) have a effect on the paper
of all paper feed tray.
That is, adjustment value of item N, O, P, Q, R, S, T
(DENB-XXX) fine adjusts to adjustment item J (DENB) for
each paper tray.
After execution of the above, perform procedures 1) - 4) to check
that the void area is within the specified range.
Though the lead edge void area adjustment value is proper, if the
lead edge void area is not within the specified range, change the
adjustment value of RRCB-XXX (item B, C, D, E, F) of SIM 50-1.
Repeat the above procedures until a satisfactory result is obtained.
that the void area is within the specified range.
Though the lead edge void area adjustment value is proper, if the
lead edge void area is not within the specified range, change the
adjustment value of RRCB-XXX (item B, C, D, E, F) of SIM 50-1.
Repeat the above procedures until a satisfactory result is obtained.
Content
Standard adjustment value
X
Lead edge void area
3.0
± 1.0mm
Y
Rear edge void area
2.0 - 5.0mm
Z1/Z2
FRONT/REAR void area
2.0
± 2.0mm
X
Y
Z2
2.0
2.0
3.0 1.0mm
2.0 - 5.0mm
Z1
2.0
2.0
2.0mm
2.0mm
OK
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2.
Display/Item
Content
Setting
range
De-
fault
A
Lead
edge
adjust-
ment
value
edge
adjust-
ment
value
RRCA
Document lead edge
reference position
(OC)
reference position
(OC)
0 - 99
50
B
RRCB-CS12
Resist
motor ON
timing
adjust-
ment
motor ON
timing
adjust-
ment
Standard
Tray
Tray
1 - 99
50
C
RRCB-CS34
Desk 1
-
99
50
D
RRCB-LCC
LCC 1
-
99
50
E
RRCB-MFT
Manual
paper
feed
paper
feed
1 - 99
50
F
RRCB-ADU
ADU
1 - 99
50
G
Image
loss area
setting
value
loss area
setting
value
LEAD
Lead edge image
loss area setting
loss area setting
0 - 99
30
H
SIDE
Side image loss area
adjustment
adjustment
0 - 99
20
I
Void area
adjust-
ment
adjust-
ment
DENA
Lead edge void area
adjustment
adjustment
1 - 99
30
J
DENB
Rear edge void area
adjustment
adjustment
1 - 99
30
K
FRONT/
REAR
REAR
FRONT/REAR void
area adjustment
area adjustment
1 - 99
20
L
Off-center
adjus-
tment
adjus-
tment
OFSET_OC
OC document off-
center adjustment
center adjustment
1 - 99
50
M
Magnifi-
cation
ratio
correction
cation
ratio
correction
SCAN_
SPEED_OC
SPEED_OC
SCAN sub scanning
magnification ratio
adjustment (CCD)
magnification ratio
adjustment (CCD)
1 - 99
50
N
Sub
scanning
direction
print area
correction
value
scanning
direction
print area
correction
value
DENB-MFT
Manual feed
correction value
correction value
1 - 99
50
O
DENB-CS1
Tray 1 correction
value
value
1 - 99
50
P
DENB-CS2
Tray 2 correction
value
value
1 - 99
50
Q
DENB-CS3
Tray 3 correction
value
value
1 - 99
50
R
DENB-CS4
Tray 4 correction
value
value
1 - 99
50
S
DENB-LCC
LCC correction value
1 - 99
50
T
DENB-ADU
ADU correction value
1 - 99
50
MX-4101N ADJUSTMENTS 5 – 47
ADJ 18
Copy image position,
image loss adjustment
image loss adjustment
18-A
Copy image position, image loss
adjustment (Document table mode)
adjustment (Document table mode)
This adjustment is needed in the following situations:
* When the scanner (reading) section is disassembled.
* When the scanner (reading) unit is replaced.
* When the LSU is replaced or removed.
* When the regist roller section is disassembled.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
* The scanner control PWB has been replaced.
* The EEPROM on the scanner control PWB has been replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) unit is replaced.
* When the LSU is replaced or removed.
* When the regist roller section is disassembled.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
* The scanner control PWB has been replaced.
* The EEPROM on the scanner control PWB has been replaced.
NOTE: Before executing this adjustment, be sure to confirm that
the ADJ 17 Print area (Void area) adjustment (Print engine
section) has been completed normally.
section) has been completed normally.
1)
Place a scale on the document table as shown in the figure
below.
Place a scale so that it is in parallel with the scanning direction
and that its lead edge is in contact with the document guide
plate.
Place white paper on the document table so that the scale lead
edge can be seen.
below.
Place a scale so that it is in parallel with the scanning direction
and that its lead edge is in contact with the document guide
plate.
Place white paper on the document table so that the scale lead
edge can be seen.
2)
Go through the modes specified in Simulation 50-1.
3)
Set RRCA, LEAD, and SIDE to the default values.
4)
Perform the image lead edge reference position adjustment.
Press [CLOSE] key, and shift from the simulation mode to the
copy mode and make a copy in 100% mode and in 200%
mode.
When the adjustment value of RRCA is proper, the lead edge
image from 3.0mm is not copied in either of 100% and 200%
copy scale.
If not, change and adjust the RRCA value.
(Adjust so that the lead edge image from 3.0mm is not copied
in either of different copy magnification ratios.)
Repeat the above procedures until a satisfactory result is
obtained.
Press [CLOSE] key, and shift from the simulation mode to the
copy mode and make a copy in 100% mode and in 200%
mode.
When the adjustment value of RRCA is proper, the lead edge
image from 3.0mm is not copied in either of 100% and 200%
copy scale.
If not, change and adjust the RRCA value.
(Adjust so that the lead edge image from 3.0mm is not copied
in either of different copy magnification ratios.)
Repeat the above procedures until a satisfactory result is
obtained.
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
OK
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2.
Display/Item
Content
Setting
range
De-
fault
A
Lead
edge
adjust-
ment
value
edge
adjust-
ment
value
RRCA
Document lead edge
reference position
(OC)
reference position
(OC)
0 - 99
50
B
RRCB-CS12
Resist
motor ON
timing
adjust-
ment
motor ON
timing
adjust-
ment
Standard
Tray
Tray
1 - 99
50
C
RRCB-CS34
Desk 1
-
99
50
D
RRCB-LCC
LCC 1
-
99
50
E
RRCB-MFT
Manual
paper
feed
paper
feed
1 - 99
50
F
RRCB-ADU
ADU
1 - 99
50
G
Image
loss area
setting
value
loss area
setting
value
LEAD
Lead edge image
loss area setting
loss area setting
0 - 99
30
H
SIDE
Side image loss area
adjustment
adjustment
0 - 99
20
I
Void area
adjust-
ment
adjust-
ment
DENA
Lead edge void area
adjustment
adjustment
1 - 99
30
J
DENB
Rear edge void area
adjustment
adjustment
1 - 99
30
K
FRONT/
REAR
REAR
FRONT/REAR void
area adjustment
area adjustment
1 - 99
20
L
Off-center
adjust-
ment
adjust-
ment
OFSET_OC
OC document off-
center adjustment
center adjustment
1 - 99
50
M
Magnifica
tion ratio
correction
tion ratio
correction
SCAN_
SPEED_OC
SPEED_OC
SCAN sub scanning
magnification ratio
adjustment (CCD)
magnification ratio
adjustment (CCD)
1 - 99
50
N
Sub
scanning
direction
print area
correction
value
scanning
direction
print area
correction
value
DENB-MFT
Manual feed
correction value
correction value
1 - 99
50
O
DENB-CS1
Tray 1 correction
value
value
1 - 99
50
P
DENB-CS2
Tray 2 correction
value
value
1 - 99
50
Q
DENB-CS3
Tray 3 correction
value
value
1 - 99
50
R
Sub
scanning
direction
print area
correction
value
scanning
direction
print area
correction
value
DENB-CS4
Tray 4 correction
value
value
1 - 99
50
S
DENB-LCC
LCC correction value
1 - 99
50
T
DENB-ADU
ADU correction value
1 - 99
50
100%
200%
Paper lead
edge
edge
Scale image 3.0mm position
5mm 10mm
5mm
10mm
MX-4101N ADJUSTMENTS 5 – 48
5)
Image loss adjustment
When the adjustment item of the image loss below is set to the
default value, it is adjusted to the standard state. If it is not in
the below standard state, or when it is set to a desired value,
change these adjustment items.
When the adjustment item of the image loss below is set to the
default value, it is adjusted to the standard state. If it is not in
the below standard state, or when it is set to a desired value,
change these adjustment items.
Void area: 3.0mm, Image loss: 3.0mm
When the adjustment value is increased, the image loss is
increased. When the adjustment value is decreased, the
image loss is decreased.
When the adjustment value is changed by 1, the void area is
changed by 0.1mm.
increased. When the adjustment value is decreased, the
image loss is decreased.
When the adjustment value is changed by 1, the void area is
changed by 0.1mm.
18-B
Document scan position adjustment
(RSPF mode)
(RSPF mode)
18-C
Document scan position adjustment
(DSPF mode)
(DSPF mode)
Document scan start position adjustment
(Scanner reading position adjustment when scanning the front sur-
face in the RSPF/DSPF mode) (RSPF/DSPF mode)
This adjustment must be performed in the following cases:
* When the scan control PWB is replaced.
* When the EEPROM on the scan control PWB is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) section is replaced.
* When U2 trouble occurs.
* When the RSPF/DSPF section is disassembled.
* When the RSPF/DSPF unit is replaced.
This simulation is to adjust the scanner reading position when
scanning the front surface in the RSPF/DSPF mode.
If this adjustment is made improperly, the scanner stop position is
shifted to the specified position and a shade of the document table
may be reflected on the lead edge section of the scan image in the
RSPF/DSPF (front surface) mode.
(Scanner reading position adjustment when scanning the front sur-
face in the RSPF/DSPF mode) (RSPF/DSPF mode)
This adjustment must be performed in the following cases:
* When the scan control PWB is replaced.
* When the EEPROM on the scan control PWB is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) section is replaced.
* When U2 trouble occurs.
* When the RSPF/DSPF section is disassembled.
* When the RSPF/DSPF unit is replaced.
This simulation is to adjust the scanner reading position when
scanning the front surface in the RSPF/DSPF mode.
If this adjustment is made improperly, the scanner stop position is
shifted to the specified position and a shade of the document table
may be reflected on the lead edge section of the scan image in the
RSPF/DSPF (front surface) mode.
a. Adjustment procedures
1)
Make a copy in the RSPF/DSPF (front surface) mode, and
check for any shade on the lead edge section of the copy
image.
check for any shade on the lead edge section of the copy
image.
If there is any shade of the document table on the lead edge
section of the copy image, perform the following procedures.
section of the copy image, perform the following procedures.
2)
Enter the SIM53-8 mode, and press [MANUAL] key.
3)
Enter an adjustment value with 10-key, and press [OK] key.
When the set value is increased, the distance from the home
position to the RSPF/DSPF scanning position is increased.
When the set value is changed by 1, the scanning position is
changed by 0.1mm.
When the set value is increased, the distance from the home
position to the RSPF/DSPF scanning position is increased.
When the set value is changed by 1, the scanning position is
changed by 0.1mm.
Perform the procedures of 1) - 3) until a satisfactory result is
obtained.
obtained.
NOTE: After execution of this adjustment, be sure to execute
ADJ18D Copy image position and image loss adjustment
(DSPF mode) and ADJ18E Copy image position and
image loss adjustment (DSPF mode).
(DSPF mode) and ADJ18E Copy image position and
image loss adjustment (DSPF mode).
18-D
Copy image position, image loss
adjustment (RSPF mode)
adjustment (RSPF mode)
18-E
Copy image position, image loss
adjustment (DSPF mode)
adjustment (DSPF mode)
This adjustment must be performed in the following cases:
* When the scan control PWB is replaced.
* When the EEPROM on the scan control PWB is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) unit is replaced.
* When U2 trouble occurs.
* When the RSPF/DSPF section is disassembled.
* When the RSPF/DSPF unit is replaced.
* When the scan control PWB is replaced.
* When the EEPROM on the scan control PWB is replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) unit is replaced.
* When U2 trouble occurs.
* When the RSPF/DSPF section is disassembled.
* When the RSPF/DSPF unit is replaced.
Display
/Item
Content
Adjust
ment
range
De-
fault
Standard
adjustment
value
LEAD
Image loss
adjustment
adjustment
Lead edge
image loss
adjustment
image loss
adjustment
0 - 99
30
3.0
± 1.0mm
SIDE
Side image
loss adjustment
loss adjustment
0 - 99
20
2.0
± 1.0mm
5mm
10mm
4
3
2
1
Paper lead edge
Maginification ratio : 400%
Copy area
Image area
Papar lead edge
Shadow image of RSPF
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